CN110898621A - Oil air purification device and purification method thereof - Google Patents
Oil air purification device and purification method thereof Download PDFInfo
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- CN110898621A CN110898621A CN201911238360.4A CN201911238360A CN110898621A CN 110898621 A CN110898621 A CN 110898621A CN 201911238360 A CN201911238360 A CN 201911238360A CN 110898621 A CN110898621 A CN 110898621A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1487—Removing organic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
- B01D53/185—Liquid distributors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
Abstract
The invention relates to an oil air purification device and a purification method thereof, wherein the oil air purification device comprises an oil spraying cabinet, a suction motor, a purification device, a water spraying system and a water filter cabinet which are sequentially connected through a pipeline, the method comprises the steps of allowing ⑴ oil air to enter the purification device through a ventilation pipe and a motor, allowing ⑵ to enter an external ventilation chamber through a ventilation hole, allowing water in a water storage chamber to enter a water spraying pipe through a water pump, spraying the water through a water spraying pipe, allowing the water to drip layer by layer through water holes on an annular wall, adsorbing oil gas on water drops, and allowing the water with the oil gas to flow back to the water storage chamber through the ventilation hole, the ⑶ is used for circulating when the purified oil gas enters an internal ventilation chamber, radiating heat of a heater through a radiating fin and drying the oil gas, generating heat through a ⑷ heating pipe to enable the temperature between heating fins to reach 250-350 ℃, burning the oil air is purified through an exhaust chamber when the oil gas passes through an air opening, and the oil gas purified through the water filter cabinet.
Description
Technical Field
The invention relates to the technical field of oil air purification, in particular to an oil air purification device and a purification method thereof.
Background
At present, the air pollution of the society is serious, and the urban environment is worse and worse. Among the air pollution factors, the pollution due to the oil injection treatment is large. There are many companies that use water injection to purify the oiled air discharged from the oil spray, but it is difficult to achieve 100% treatment.
CN201910653155.8 discloses an oil gas purification device and method for deep sea enclosed space, and its purpose is to provide an oil gas purification device and method for deep sea enclosed space which utilizes sea water resources, forms sodium chloride crystals as condensation nuclei by drying sea water to form large oil drops with oil gas for convenient collection, thereby improving oil gas purification efficiency, and utilizes deep sea low-temperature sea water as a cooling source, does not need to consume energy for compression refrigeration, and achieves the effects of energy saving and noise reduction. The oil gas purification device comprises a condensation nucleus generating device, an oil gas pumping device, an oil gas condensing device, a centrifugal separation device, an oil collecting tank and a filtering and purifying device, wherein the condensation nucleus generating device comprises a first water inlet pipe, a first heater, an atomizer, an air compressor and a dryer, a first water pump and a valve A are arranged on the first water inlet pipe, the first water inlet pipe is used for feeding seawater, one end of the first water inlet pipe is connected with an inlet of the first heater, an outlet of the first heater is connected with a first inlet of the atomizer, a second inlet of the atomizer is connected with an outlet of the air compressor, and an outlet of the atomizer is connected with an inlet of the dryer; the oil gas pumping device comprises an oil gas inlet pipe, a second heater and a fan, wherein one end of the oil gas inlet pipe is connected with an inlet of the second heater, and an outlet of the second heater is connected with an inlet of the fan; the oil gas condensing device comprises a second water inlet pipe, a tubular condenser and a water outlet pipe, wherein a second water pump is arranged on the second water inlet pipe or the water outlet pipe, the tubular condenser comprises a shell and a heat exchange straight pipe arranged in the shell, the shell is vertically arranged, a first inlet on the side wall of the shell is connected with one end of the second water inlet pipe, a first outlet on the side wall of the shell is connected with one end of the water outlet pipe so as to enable seawater to enter and exit the shell, and a second inlet on the top end of the shell is respectively connected with an outlet of the dryer and an outlet of the fan; the oil collecting tank is arranged below the shell and is connected with a second outlet at the bottom end of the shell; the centrifugal separation device comprises a driving motor and a centrifugal impeller arranged on a driving shaft of the driving motor, the driving shaft of the driving motor is vertically arranged and can be rotatably arranged on a tube plate at the lower end of the shell-and-tube condenser, and the centrifugal impeller and a third outlet on the side wall of the shell are both positioned below the tube plate at the lower end of the shell-and-tube condenser; the inlet of the filtering and purifying device is connected with the third outlet on the side wall of the shell, and the outlet of the filtering and purifying device is respectively connected with the outlet pipe and the inlet of the air compressor. The defect is that 1, the application range is small, the device can only be used in specific places, and the device is not suitable for factories. 2. The cost is too high, and the popularization is not suitable in a large range.
Disclosure of Invention
The invention aims to provide an oiled air purification device and an oiled air purification method, which can completely purify oiled air by enabling the exhausted oiled air to pass through a high-temperature channel.
The technical scheme of the invention is that the oil air purification device is characterized by comprising an oil spraying cabinet, a suction motor, purification equipment, a water spraying system and a water filtering cabinet which are sequentially connected through a ventilation pipeline; the oily air that produces during the oil spout passes through the ventilation pipe and under the drive of suction motor, gets into clarification plant, purifies for the first time through water injection system, and the gas after purifying for the first time is discharged clarification plant through the gas vent from the exhaust chamber, in the ventilation pipe gets into water filter cabinet again, carries out purification treatment for the last time.
Preferably, the method comprises the following steps: the purification equipment comprises a first purification assembly for purifying the oiled air for the first time, a second purification assembly for purifying the oiled air for the second time and a third purification assembly for purifying the oiled air for the third time; when air entering from the air inlet of the purifying equipment passes through the outer ventilation chamber, the air is firstly purified by the water spraying system; then the air passes through the inner ventilation chamber and is purified and dried for the second time through the upper exhaust body and the lower exhaust body; and finally, carrying out third purification treatment by a heater sleeved in the inner cavity of the lower exhaust body.
Preferably, the method comprises the following steps: the first purification assembly is composed of a ventilation chamber which is formed by enclosing an upper baffle plate and a lower baffle plate and is communicated with an air inlet, vent holes which are formed in the upper baffle plate of the ventilation chamber, an outer ventilation chamber which is communicated with the vent holes, an outer pipe body which is arranged in the outer ventilation chamber, a plurality of diameter-expanded annular walls which are arranged at equal intervals along the outer wall of the outer pipe body in the radial direction, a plurality of water-sprinkling holes which are formed in the annular walls, a sprinkler pipe which is provided with water-sprinkling holes and is arranged on the upper end forming pipe wall of the outer pipe body, a plurality of water-leaking holes which are formed in the lower baffle plate and a; when oil is sprayed, the generated oiled air enters the purifying equipment through the air inlet under the action of the suction motor, enters the outer ventilating chamber through the ventilating holes of the ventilating chamber and the upper baffle plate, water in the water storage chamber at the bottom of the purifying equipment is driven by the water pump to enter the sprinkling pipe through the connecting water pipe, then is sprayed out through the sprinkling holes arranged at the lower part of the sprinkling pipe, the sprayed water drops layer by layer through the water scattering holes on the three-layer annular wall, oil gas in the oiled air passing through the ventilating chamber is adsorbed on the water drops in the process, the water stained with the oil gas flows into the ventilating chamber through the ventilating holes of the upper baffle plate, and then flows back to the water storage chamber through the water leakage holes on the lower baffle plate for recycling, and the first purification of the oiled air is completed in.
Preferably, the method comprises the following steps: the second purification assembly consists of an inner ventilation chamber sleeved in the inner cavity of the outer ventilation chamber, an upper exhaust body and a lower exhaust body which are arranged in the inner ventilation chamber, and a heater arranged in the inner cavity of the lower exhaust body; when the oil gas after the first purification enters the inner ventilation chamber again, the heat generated by the heater can be transferred to the upper air exhaust body and the radiating fins of the lower air exhaust body through the lower inner pipe of the inner ventilation chamber and the upper inner pipe of the inner ventilation chamber for heat dissipation, and when the oil gas after the first purification passes through the inner ventilation chamber, the oil gas is dried to complete the second purification.
Preferably, the method comprises the following steps: the upper exhaust body consists of an upper inner pipe, a lower convex shoulder and an upper convex shoulder which are vertical to the upper inner pipe are respectively arranged at two ends of the upper inner pipe along the radial direction, a plurality of upper radiating fins which are spirally arranged on the outer wall of the pipe between the lower convex shoulder and the upper convex shoulder from the shoulder surface of the lower convex shoulder, through holes which are arranged on the shoulder surface of the lower convex shoulder and are positioned between two adjacent upper radiating fins, through holes which are uniformly distributed on the shoulder surface of the upper convex shoulder, a pipe body which extends out of the upper convex shoulder, and a U hole which is arranged on the pipe body; the lower exhaust body is composed of a lower inner pipe, an upper convex shoulder which is vertical to the lower inner pipe is arranged at the top end of the lower inner pipe along the radial direction, a plurality of lower radiating fins which are spirally arranged on the upper convex shoulder and the outer wall surface of the pipe, and a plurality of air inlet holes which are arranged on the outer pipe wall at the bottom end of the lower inner pipe and adjacent to the lower radiating fins.
Preferably, the method comprises the following steps: the third purification assembly consists of a heating chamber formed at the bottom of the lower exhaust body, a plurality of uniformly distributed air inlets formed at the bottom of the heating chamber and an exhaust chamber formed in the upper exhaust body; when the oiled air after the second purification treatment passes through the air inlet and enters the heating chamber again, the oiled air enters the exhaust chamber through the vent and the heater on the lower fixing plate; the heating tube generates heat to make the temperature between the heating plates reach 250-350 ℃, and when the oiled air passes through the vent on the lower fixing plate and passes through the heating plates, the oiled air is completely combusted and then enters the exhaust chamber of the upper exhaust body to finish the third purification.
Preferably, the method comprises the following steps: the heater consists of an upper fixing plate and a lower fixing plate, wherein a plurality of circular tubes are sleeved among a plurality of brackets uniformly distributed on the upper fixing plate and corresponding to the uniformly distributed ventilation holes of the lower fixing plate, and heating tube assemblies are arranged inside the circular tubes; the heating tube component consists of a heating tube and a plurality of heating sheets uniformly distributed on the outer wall of the heating tube; when the device works, the heating pipe generates heat to enable the temperature between the heating sheets to reach 250-350 ℃, and when the oiled air passes through the ventilation opening and between the heating sheets, the oiled air is completely combusted and then enters the exhaust chamber of the upper exhaust body to finish purification.
Preferably, the method comprises the following steps: the water spraying system consists of a water inlet pipe, a water pump, a water pipe, a U-shaped pipe, a radial connecting port, a sprinkling pipe and various annular wall water dispersion holes, wherein the water inlet pipe, the water pump and the water pipe are sequentially communicated with the outside of the equipment; the top of the purifying equipment is sequentially provided with an upper cover sleeved on the top of the shell, a reducing top cover sleeved on the upper cover and a tube body convexly extending out of the top of the upper exhaust body, and an exhaust outlet integrally extending from the top of the reducing top cover.
The other technical scheme of the invention is that the oil air purification device is characterized by comprising a shell, a cylinder body of a water storage chamber formed at the bottom of the shell, a ventilation chamber respectively separated from an upper baffle plate through a lower baffle plate, an outer ventilation chamber arranged at the top of the ventilation chamber, an inner ventilation chamber sleeved with the inner cavity of the outer ventilation chamber, an upper exhaust body and a lower exhaust body sleeved in the inner ventilation chamber, a heater arranged in the inner cavity of the lower exhaust body, a sprinkling pipe arranged in the upper exhaust body, a water spraying system communicated with the sprinkling pipe outside the shell, and a top cover provided with an exhaust port at the top of the shell.
The invention also discloses a technical scheme of the purification method of the oiled air, which is characterized by comprising the following steps:
⑴ the oil air generated during oil injection passes through the ventilation pipe and enters the purification equipment under the drive of the suction motor;
⑵ enters the outer ventilation chamber through the ventilation holes of the ventilation chamber and the upper baffle plate, the water in the water storage chamber at the bottom of the purification equipment enters the sprinkler pipe through the connecting water pipe under the drive of the water pump, and then is sprayed out through the sprinkler holes arranged at the lower part of the sprinkler pipe, the sprayed water drops layer by layer through the water holes scattered on the three layers of annular walls, the oil gas in the oiled air in the ventilation chamber is adsorbed on the water drops in the process, the water adhered with the oil gas flows through the ventilation chamber of the ventilation holes of the upper baffle plate and then flows back to the water storage chamber through the water leakage holes on the lower baffle plate for recycling, and the first purification of the oiled air is completed in the purification;
⑶ when the first purified oil gas enters the inner ventilation chamber again, the heat generated by the heater will be transferred to the upper exhaust body and the lower exhaust body through the lower inner pipe of the inner ventilation chamber and the upper inner pipe of the inner ventilation chamber for heat dissipation, when the first purified oil gas passes through the inner ventilation chamber, the oil gas is dried to complete the second purification;
⑷ when the second time purified oil air enters the heating chamber through the air inlet and then enters the exhaust chamber through the vent and the heater on the lower fixing plate, when working, the heating tube generates heat to make the temperature between the heating plates reach 250-350 ℃, when the oil air passes through the vent on the lower fixing plate, the oil air will be burnt and then enters the exhaust chamber of the upper exhaust body to finish the third time purification;
⑸ the purified gas is discharged from the exhaust chamber through the exhaust port and then enters the water filter cabinet through the ventilation pipe for the final purification treatment.
Compared with the prior art, the invention has the beneficial effects that:
⑴ the oiled air is cleaner after three times of purification, and the purification rate can reach 99%.
⑵ has wide application range and is suitable for all factories.
⑶ has low cost, and is suitable for large-scale popularization.
Drawings
FIG. 1 is a schematic system diagram of an oiled air purification device according to the present invention;
FIG. 2 is a sectional view showing the assembled structure of the purification apparatus of the present invention;
FIG. 3 is an exploded view of the purification apparatus of the present invention;
FIG. 4 is a schematic view of the heater of the present invention;
FIG. 5 is a schematic top view of the heater of the present invention;
FIG. 6 is a schematic bottom view of the heater of the present invention;
FIG. 7 is a schematic structural view of the heat generating tube assembly of FIG. 4;
fig. 8 is a cross-sectional view of fig. 7.
Description of the main component symbols:
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Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings:
referring to fig. 1, the oil-based air purification device comprises an oil spraying cabinet 11, a suction motor 12, a water spraying system 13, a water filtering cabinet 14 and a purification device 2 which are sequentially connected through a ventilation pipeline 15; the oily air generated during oil injection enters the purifying device 2 through the ventilation pipe 15 and is driven by the suction motor 12, is purified for the first time through the water spraying system 13, is dried and treated for the second time through the inner ventilation chamber 25, and finally enters the heating chamber 23 for the third time, and the gas purified for the third time is discharged out of the purifying device 2 from the exhaust chamber 263 through the exhaust port 181, and then enters the water filter cabinet 14 through the ventilation pipe 15 for the last time of purification treatment.
Referring to fig. 1 and 3, the water spraying system 13 is composed of a water inlet pipe 131, a water pump 132, a water pipe 133, a U-shaped pipe 134 vertically connected to the water pipe 133, a straight pipe 135 vertically connected to the U-shaped pipe 134 and parallel to the water pipe 133, a radial connector 2162 and a water spray hole 2161, which are arranged at the lower part of the water spray pipe 216, of the external ventilation chamber 24 inside the device, and water spray holes 2151, which are arranged at the lower part of the water spray pipe 216; the top of the purifying device 2 is sequentially provided with an upper cover 16 sleeved on the top of the shell 19, a reducing top cover 18 sleeved on the upper cover 16 and a tube 2613 protruding out of the top of the upper exhaust body 26, and an exhaust outlet 181 integrally extending from the top of the reducing top cover 18.
Referring to fig. 2 and 3, the purifying apparatus 2 includes a first purifying assembly for purifying the oiled air for the first time, a second purifying assembly for purifying the oiled air for the second time, and a third purifying assembly for purifying the oiled air for the third time; the air entering from the air inlet 17 is purified for the first time by the water spraying system 13 when passing through the outer ventilation chamber 24; then the second purification and drying treatment is carried out through the upper exhaust body 26 and the lower exhaust body 27 when the air passes through the inner ventilation chamber 25; and finally, carrying out third purification treatment by the heater 22 sleeved in the inner cavity of the lower exhaust body 27.
In this embodiment, the first purification assembly is composed of a ventilation chamber 213 surrounded by an upper baffle 21 and a lower baffle 212 and communicated with the air inlet 17, a vent hole 211 opened on the upper baffle 21, an outer ventilation chamber 24 communicated with the vent hole 211, an outer tube body 214 arranged in the outer ventilation chamber 24, a plurality of annular walls 215 arranged with a plurality of diameter expansion along the outer wall of the outer tube body 214 in an equidistant and radial manner, a plurality of water spray holes 2151 arranged on the annular walls 215, a water spray pipe 216 arranged with water spray holes 2161 on the upper end molding tube wall of the outer tube body 214, a plurality of water leakage holes 2121 opened on the lower baffle 212, and a water storage chamber 217 connected with the lower baffle 212; when oil is sprayed, the generated oiled air enters the purifying device 2 through the air inlet 17 under the action of the suction motor 12, enters the outer ventilation chamber 24 through the ventilation chamber 213 and the ventilation holes 211 of the upper baffle plate, water in the water storage chamber 217 at the bottom of the purifying device 2 enters the water spraying pipe 216 through the U-shaped pipe 134 and the straight pipe 135 under the driving of the water pump 132, then is sprayed out through the water spraying holes 2161 arranged at the lower part of the water spraying pipe 216, the sprayed water drops layer by layer through the water spraying holes 2151 on the three-layer annular wall 215, oil gas in the oiled air in the ventilation chamber 213 is adsorbed on the water drops in the process, the water adhered with the oil gas flows into the ventilation chamber 213 through the ventilation holes 211 of the upper baffle plate 21 and then flows back to the water storage chamber 217 through the water leakage holes 2121 on the lower baffle plate 212 for recycling, and the first purification of the oiled air in.
In this embodiment, the second purification assembly comprises an inner ventilation chamber 25 sleeved in the inner cavity of the outer ventilation chamber 24, an upper exhaust body 26 and a lower exhaust body 27 arranged in the inner ventilation chamber 25, and a heater 22 arranged in the inner cavity of the lower exhaust body 27; when the primarily purified oil gas enters the inner ventilation chamber 25 again, the heat generated by the heater 22 is transferred to the upper radiating fins 262 of the upper exhaust body 26 and the lower radiating fins 271 of the lower exhaust body 27 through the lower inner tube 272 of the inner ventilation chamber 25 and the upper inner tube 261 of the inner ventilation chamber 25 for heat dissipation, and when the primarily purified oil gas passes through the inner ventilation chamber 25, the oil gas is dried to complete the secondary purification.
In this embodiment, the upper air discharging body 26 is composed of an upper inner tube 261, a lower shoulder 2611 and an upper shoulder 2612 which are perpendicular to the upper inner tube 261 are respectively arranged at two ends of the upper inner tube 261 along a radial direction, a plurality of upper radiating fins 262 which are spirally arranged on the outer wall of the upper inner tube 261 between the lower shoulder 2611 and the upper shoulder 2612 from the shoulder surface of the lower shoulder 2611, a through hole 26111 which is arranged on the shoulder surface of the lower shoulder 2611 and is arranged between two adjacent upper radiating fins 262, through holes 26121 which are uniformly distributed on the shoulder surface of the upper shoulder 2612, a tube body 2631 which protrudes out of the upper shoulder 2612, and a U hole 2613 which is axially concavely arranged on the tube body 2631; the lower exhaust body 27 is composed of a lower inner tube 272, an upper shoulder 273 which is perpendicular to the lower inner tube 272 and is arranged at the top end of the lower inner tube 272 along the radial direction, a plurality of lower radiating fins 271 which are spirally arranged on the upper shoulder 273 and the outer wall surface of the lower inner tube 272, and a plurality of air inlet holes 2741 which are arranged on the outer wall 274 at the bottom end of the lower inner tube 272 and adjacent to the lower radiating fins 271.
In this embodiment, the third purifying assembly is composed of a heating chamber 23 formed at the bottom of the lower exhaust body 27, a plurality of uniformly distributed air inlets 231 formed at the bottom of the heating chamber 23, and an exhaust chamber 263 formed in the upper exhaust body 26; when the oiled air after the second purification treatment enters the heating chamber 23 again through the air inlet 231, and then enters the exhaust chamber 263 through the vent 2221 on the lower fixing plate 222 and the heater 22; the heating pipe 2241 generates heat to make the temperature between the heating sheets 2242 reach 250 to 350 ℃, when the oiled air passes through the ventilation opening 2221 of the lower fixing plate 222 and passes through between the heating sheets 2242, the oiled air is completely combusted and then enters the exhaust chamber 263 of the upper exhaust body 26, and the third purification is completed.
Referring to fig. 4 to 8, the heater 22 is composed of an upper fixing plate 221 and a lower fixing plate 222, wherein a plurality of circular tubes 223 are sleeved between a plurality of brackets 2211 uniformly distributed on the upper fixing plate 221 and corresponding to the vent holes 2221 uniformly distributed on the lower fixing plate 222, and a heating tube assembly 224 is arranged inside the circular tubes 223; the heating tube assembly 224 is composed of a heating tube 2241 and a plurality of heating sheets 2242 uniformly distributed on the outer wall of the heating tube 2241; when the air purifier works, the heating pipes 2241 generate heat to enable the temperature between the heating sheets 2242 to reach 250-350 ℃, when the oiled air passes through the ventilation opening 2821 and between the heating sheets 2242, all the oiled air is burnt and then enters the exhaust chamber 263 of the upper exhaust body 26, and purification is finished.
Referring to fig. 1 to 8, the oil-treated air purifying apparatus comprises a housing 19, a cylinder 2171 forming a water storage chamber 217 at the bottom of the housing 19, a ventilation chamber 213 separated from an upper baffle 21 by a lower baffle 212, an outer ventilation chamber 24 provided at the top of the ventilation chamber 213, an inner ventilation chamber 25 provided in the inner cavity of the outer ventilation chamber 24, an upper exhaust body 26 and a lower exhaust body 27 provided in the inner ventilation chamber 25, a heater 22 provided in the inner cavity of the lower exhaust body 27, a water spray pipe 216 and an annular wall 215 provided on the outer wall of the outer body 214, an upper cover 16, and a top cover 18 provided with an exhaust port 181 at the top of the upper cover 16.
Referring to fig. 1 to 8, the method for purifying the oiled air includes the following steps:
⑴ the oil air generated during oil injection passes through the ventilation pipe 15 and enters the purifying device 2 under the drive of the suction motor 12;
⑵ enters the outer ventilation chamber 24 through the ventilation holes 211 of the ventilation chamber 213 and the upper baffle 21, the water in the water storage chamber 217 at the bottom of the purification device 2 is driven by the water pump 132, enters the water spray pipe 216 through the water pipe 133, the U-shaped pipe 134 and the straight pipe 135, and then is sprayed out through the water spray holes 2161 arranged at the lower part of the water spray pipe 216, the sprayed water drops layer by layer through the water spray holes 2151 on the three-layer annular wall 215, the oil gas in the oiled air passing through the ventilation chamber 213 is adsorbed on the water drops in the process, the water with the oil gas flows into the ventilation chamber 213 through the ventilation holes 211 of the upper baffle 21, and then flows back to the water storage chamber 217 for recycling through the water leakage holes 2121 on the lower baffle 212, and the oiled air is purified for the first time;
⑶ when the first purified oil gas enters the inner ventilation chamber 25 again, the heat generated by the heater 22 will be transmitted to the upper radiating fins 262 of the upper exhaust body 26 and the lower radiating fins 271 of the lower exhaust body 27 through the lower inner pipe 272 of the inner ventilation chamber 25 and the upper inner pipe 261 of the inner ventilation chamber 25 for heat dissipation, when the first purified oil gas passes through the inner ventilation chamber 25, the oil gas is dried to complete the second purification;
⑷ when the second purified oil air enters the heating chamber 23 again through the air inlet 231 and then enters the exhaust chamber 263 through the vent hole 2221 on the lower fixing plate 222 and the heater 22, when in operation, the heating pipe 2241 generates heat to make the temperature between the heating sheets 2242 reach 250-350 ℃, when the oil air passes through the vent hole 2821 on the lower fixing plate 222 and passes through the heating sheets 2242, the oil air is burnt and then enters the exhaust chamber 263 of the upper exhaust body 26 to complete the third purification;
⑸, the purified gas is discharged from the exhaust chamber 263 through the exhaust port 181 and then enters the water filter cabinet 14 through the ventilation pipe 15 for the final purification treatment.
The above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (10)
1. The oil air purification device is characterized by consisting of an oil spraying cabinet, a suction motor, purification equipment, a water spraying system and a water filter cabinet which are sequentially connected through a ventilation pipeline; the oily air that produces during the oil spout passes through the ventilation pipe and under the drive of suction motor, gets into clarification plant, purifies for the first time through clarification plant, and the gas after purifying for the first time is discharged clarification plant through the gas vent from the exhaust chamber, and the ventilation pipe gets into in the water filter cabinet again, carries out purification treatment for the last time.
2. The oiled air purification device according to claim 1, wherein the purification apparatus comprises a first purification assembly for performing a first purification on the oiled air, a second purification assembly for performing a second purification on the oiled air, and a third purification assembly for performing a third purification on the oiled air; when air entering from the air inlet of the purifying equipment passes through the outer ventilation chamber, the air is firstly purified by the water spraying system; then the air passes through the inner ventilation chamber and is purified and dried for the second time through the upper exhaust body and the lower exhaust body; and finally, carrying out third purification treatment by a heater sleeved in the inner cavity of the lower exhaust body.
3. The oiled air purification device according to claim 2, wherein the first purification assembly is composed of a ventilation chamber surrounded by an upper baffle plate and a lower baffle plate and communicated with the air inlet, vent holes formed in the upper baffle plate of the ventilation chamber, an outer ventilation chamber communicated with the vent holes, an outer pipe body arranged in the outer ventilation chamber, a plurality of diameter-expanded annular walls arranged at equal intervals along the outer wall of the outer pipe body in the radial direction, a plurality of water spray holes formed in the annular walls, a water spray pipe provided with water spray holes formed in the upper end molding pipe wall of the outer pipe body, a plurality of water leakage holes formed in the lower baffle plate, and a water storage chamber connected with the lower baffle plate; when oil is sprayed, the generated oiled air enters the purifying equipment through the air inlet under the action of the suction motor, enters the outer ventilating chamber through the ventilating holes of the ventilating chamber and the upper baffle plate, water in the water storage chamber at the bottom of the purifying equipment is driven by the water pump to enter the sprinkling pipe through the connecting water pipe, then is sprayed out through the sprinkling holes arranged at the lower part of the sprinkling pipe, the sprayed water drops layer by layer through the water scattering holes on the three-layer annular wall, oil gas in the oiled air passing through the ventilating chamber is adsorbed on the water drops in the process, the water stained with the oil gas flows into the ventilating chamber through the ventilating holes of the upper baffle plate, and then flows back to the water storage chamber through the water leakage holes on the lower baffle plate for recycling, and the first purification of the oiled air is completed in.
4. The oiled air purification apparatus according to claim 2, wherein the second purification assembly is composed of an inner ventilation chamber fitted in an inner cavity of the outer ventilation chamber, an upper exhaust body and a lower exhaust body provided in the inner ventilation chamber, and a heater provided in an inner cavity of the lower exhaust body; when the oil gas after the first purification enters the inner ventilation chamber again, the heat generated by the heater can be transferred to the upper air exhaust body and the radiating fins of the lower air exhaust body through the lower inner pipe of the inner ventilation chamber and the upper inner pipe of the inner ventilation chamber for heat dissipation, and when the oil gas after the first purification passes through the inner ventilation chamber, the oil gas is dried to complete the second purification.
5. The oiled air purification device according to claim 4, wherein the upper exhaust body is composed of an upper inner tube, a lower convex shoulder and an upper convex shoulder which are perpendicular to the upper inner tube are respectively arranged at two ends of the upper inner tube along the radial direction, a plurality of upper radiating fins which are spirally arranged on the outer wall of the tube between the lower convex shoulder and the upper convex shoulder from the shoulder surface of the lower convex shoulder, through holes which are arranged between two adjacent upper radiating fins on the shoulder surface of the lower convex shoulder, through holes which are uniformly distributed on the shoulder surface of the upper convex shoulder, a tube body which protrudes out of the upper convex shoulder, and U holes which are axially concavely arranged on the tube body; the lower exhaust body is composed of a lower inner pipe, an upper convex shoulder which is vertical to the lower inner pipe is arranged at the top end of the lower inner pipe along the radial direction, a plurality of lower radiating fins which are spirally arranged on the upper convex shoulder and the outer wall surface of the pipe, and a plurality of air inlet holes which are arranged on the outer pipe wall at the bottom end of the lower inner pipe and adjacent to the lower radiating fins.
6. The oiled air purification device according to claim 2, wherein the third purification assembly is composed of a heating chamber formed at the bottom of the lower exhaust body, a plurality of uniformly distributed air inlets formed at the bottom of the heating chamber, and an exhaust chamber formed in the upper exhaust body;
when the oiled air after the second purification treatment passes through the air inlet and enters the heating chamber again, the oiled air enters the exhaust chamber through the vent and the heater on the lower fixing plate; the heating tube generates heat to make the temperature between the heating plates reach 250-350 ℃, and when the oiled air passes through the vent on the lower fixing plate and passes through the heating plates, the oiled air is completely combusted and then enters the exhaust chamber of the upper exhaust body to finish the third purification.
7. The oiled air purification device according to claim 4 or 6, wherein the heater comprises an upper fixing plate and a lower fixing plate, wherein a plurality of circular tubes are sleeved among a plurality of brackets uniformly distributed on the upper fixing plate and corresponding to the uniformly distributed ventilation holes of the lower fixing plate, and heating tube assemblies are arranged inside the circular tubes; the heating tube component consists of a heating tube and a plurality of heating sheets uniformly distributed on the outer wall of the heating tube; when the device works, the heating pipe generates heat to enable the temperature between the heating sheets to reach 250-350 ℃, and when the oiled air passes through the ventilation opening and between the heating sheets, the oiled air is completely combusted and then enters the exhaust chamber of the upper exhaust body to finish purification.
8. The oiled air purification device according to claim 1 or 2, wherein the water spray system is composed of a water inlet pipe, a water pump, a water pipe, a U-shaped pipe vertically communicated with the water pipe, a straight pipe parallel to the water pipe and vertically communicated with the two ends of the U-shaped pipe respectively, a radial connecting port through which the straight pipe extends into the external ventilation chamber inside the equipment and is communicated with the water spray pipe, the water spray pipe communicated with the radial connecting port and provided with water spray holes at the lower part thereof, and water spray holes of each annular wall arranged at the lower part of the water spray pipe; the top of the purifying equipment is sequentially provided with an upper cover sleeved on the top of the shell, a reducing top cover sleeved on the upper cover and a tube body convexly extending out of the top of the upper exhaust body, and an exhaust outlet integrally extending from the top of the reducing top cover.
9. The oil air purification device is characterized by comprising a shell, a cylinder body of a water storage chamber formed at the bottom of the shell, an air vent chamber respectively formed by a lower baffle plate and an upper baffle plate, an outer ventilation chamber arranged at the top of the air vent chamber, an inner ventilation chamber sleeved in the inner cavity of the outer ventilation chamber, an upper air exhaust body and a lower air exhaust body sleeved in the inner ventilation chamber, a heater arranged in the inner cavity of the lower air exhaust body, a sprinkling pipe arranged in the upper air exhaust body, a water spraying system communicated with the outside of the shell and communicated with the sprinkling pipe, and a top cover provided with an exhaust port and arranged at the top of the shell.
10. A method for purifying oiled air is characterized by comprising the following steps:
⑴ the oil air generated during oil injection passes through the ventilation pipe and enters the purification equipment under the drive of the suction motor;
⑵ entering into the outer ventilation chamber through the ventilation holes of the ventilation chamber and the upper baffle plate, the water in the water storage chamber at the bottom of the purification equipment driven by the water pump enters into the sprinkler pipe through the connecting water pipe, then is sprayed out through the sprinkler holes arranged at the lower part of the sprinkler pipe, the sprayed water drops layer by layer through the water holes on the three layers of annular walls, the oil gas in the oiled air in the ventilation chamber is adsorbed on the water drops in the process, the water with the oil gas flows into the ventilation chamber through the ventilation holes of the upper baffle plate and then flows back to the water storage chamber through the water leakage holes on the lower baffle plate for recycling, and the first purification of the oiled air in the purification equipment is completed;
⑶ when the first purified oil gas enters the inner ventilation chamber again, the heat generated by the heater will be transferred to the upper exhaust body and the lower exhaust body through the lower inner pipe of the inner ventilation chamber and the upper inner pipe of the inner ventilation chamber for heat dissipation, when the first purified oil gas passes through the inner ventilation chamber, the oil gas is dried to complete the second purification;
⑷ when the second time purified oil air enters the heating chamber through the air inlet and then enters the exhaust chamber through the vent and the heater on the lower fixing plate, when working, the heating tube generates heat to make the temperature between the heating plates reach 250-350 ℃, when the oil air passes through the vent on the lower fixing plate, the oil air will be burnt and then enters the exhaust chamber of the upper exhaust body to finish the third time purification;
⑸ the purified gas is discharged from the exhaust chamber through the exhaust port and then enters the water filter cabinet through the ventilation pipe for the final purification treatment.
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